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有关TPS76801和TPS75801选择的问题。

Other Parts Discussed in Thread: TMS320F28335

请问下TMS320F28335的内核在1.9V工作电压下,运行150MHZ频率需要多大电流?TPS76801电源是不是必须使用TTSOP-20封装?如果用TPS75801,选用什么封装?

 

两种芯片选择谁更合适?芯片使用5V供电更好还是使用3.3V供电生成1.9V更好?两种芯片谁温升更低?